GB2624325A - Polymer blends for use in wellbore applications - Google Patents

Polymer blends for use in wellbore applications Download PDF

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Publication number
GB2624325A
GB2624325A GB2400967.2A GB202400967A GB2624325A GB 2624325 A GB2624325 A GB 2624325A GB 202400967 A GB202400967 A GB 202400967A GB 2624325 A GB2624325 A GB 2624325A
Authority
GB
United Kingdom
Prior art keywords
elastomer
partially fluorinated
blend
fluorocarbon rubber
monomers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB2400967.2A
Other versions
GB202400967D0 (en
Inventor
Thatathil Sandeep
Shukla Shashwat
Singh Arpana
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Halliburton Energy Services Inc
Original Assignee
Halliburton Energy Services Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Halliburton Energy Services Inc filed Critical Halliburton Energy Services Inc
Publication of GB202400967D0 publication Critical patent/GB202400967D0/en
Publication of GB2624325A publication Critical patent/GB2624325A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/50Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
    • C09K8/504Compositions based on water or polar solvents
    • C09K8/506Compositions based on water or polar solvents containing organic compounds
    • C09K8/508Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/5083Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16Homopolymers or copolymers or vinylidene fluoride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18Homopolymers or copolymers or tetrafluoroethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/04Monomers containing three or four carbon atoms
    • C08F10/06Propene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18Monomers containing fluorine
    • C08F14/26Tetrafluoroethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18Monomers containing fluorine
    • C08F14/28Hexafluoropropene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L15/00Compositions of rubber derivatives
    • C08L15/02Rubber derivatives containing halogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)

Abstract

The present disclosure provides elastomer blends comprising mixtures of partially fluorinated elastomers, such as tetrafluoroethylene propylene elastomers (FEPM or TFEP) and fluorocarbon rubbers, such as vinylidene fluoride-based elastomers (FKM or FEP). The elastomer blends can be prepared using two-roll mills, internal mixers, or other mixing technique and can be molded into seals, gaskets, o-rings or other articles using extrusion, injection molding, compression molding or the like. The resultant elastomeric articles can provide good sealing performance, including at moderate or low temperatures, and exhibit good chemical compatibility and resistance when exposed to common wellbore environments. In some cases, the elastomer blends can provide performance characteristics previously only available from perfluorinated elastomers (FFKM), but without requiring the complex processing conditions associated with preparing perfluorinated elastomers.

Claims (20)

Claims
1. An elastomer for use in a wellbore or wellbore operation, comprising a blend of: a partially fluorinated elastomer; and a fluorocarbon rubber elastomer.
2. The elastomer of claim 1, wherein the partially fluorinated elastomer the fluorocarbon rubber elastomer are cross-linked in the blend.
3. The elastomer of claim 1, wherein the partially fluorinated elastomer and the fluorocarbon rubber elastomer are homogeneously distributed in the blend.
4. The elastomer of claim 1, wherein the partially fluorinated elastomer comprises tetrofluoroethylene monomers and propylene monomers.
5. The elastomer of claim 4, wherein the partially fluorinated elastomer further comprises perfluoromethyl vinyl ether monomers or ethylene monomers.
6. The elastomer of claim 1, wherein the partially fluorinated elastomer exhibits a glass transition temperature of from -15 °C to 5 °C.
7. The elastomer of claim 1, wherein the fluorocarbon rubber elastomer comprises vinylidene fluoride monomers.
8. The elastomer of claim 7, wherein the fluorocarbon rubber elastomer further comprises hexafluoropropylene monomers, tetrafluoroethylene monomers, propylene monomers, or perfluoromethyl vinyl ether monomers.
9. The elastomer of claim 1, wherein the fluorocarbon rubber elastomer exhibits a glass transition temperature of from -40 °C to -5 °C, or wherein the fluorocarbon rubber elastomer comprises a low-temperature grade fluorocarbon rubber, having a glass transition temperature of from -40 °C to -20 °C.
10. The elastomer of claim 1, wherein the partially fluorinated elastomer comprises from 15% to 85% of the blend, by weight, and wherein the fluorocarbon rubber elastomer comprises from 15% to 85% of the blend, by weight.
11. The elastomer of claim 1 , exhibiting a first glass transition temperature at a first temperature of from -40 °C to -5 °C and a second glass transition temperature at a second temperature of from -15 °C to 5 °C.
12. The elastomer of claim 1, further comprising: one or more additives selected from the group consisting of carbon nanotubes, a hydrin elastomer, a halobutyl rubber elastomer, and an EPDM rubber elastomer; or one or more reinforcing fillers selected from the group of carbon black or silica.
13. A method of making an elastomer blend for use in a wellbore or wellbore operation, the method comprising: providing a partially fluorinated elastomer; providing a fluorocarbon rubber elastomer; blending the partially fluorinated elastomer and the fluorocarbon rubber elastomer to generate an elastomer blend; and subjecting the elastomer blend to a curing process.
14. The method of claim 13, wherein blending comprises subjecting the partially fluorinated elastomer in a gum rubber state and the fluorocarbon rubber elastomer in a gum rubber state to shear forces to intermix the partially fluorinated elastomer and the fluorocarbon rubber elastomer.
15. The method of claim 13, wherein blending comprises mixing the partially fluorinated elastomer and the fluorocarbon rubber elastomer using a two-roll mill, a blender, an extruder, or an internal mixer.
16. The method of claim 13, wherein the curing process comprises adding a curative agent, a reinforcing, filler, or an additive to the elastomer blend.
17. The method of claim 16, wherein the curative agent comprises a bisphenol, an amine, a peroxide, an isocyanate, or a lead oxide. 16
18. The method of claim 13, wherein the curing process comprises subjecting the elastomer blend to a vulcanization process.
19. An elastomeric article for use in a wellbore or wellbore operation, in the form of a seal comprising a blend of: a partially fluorinated elastomer; and a fluorocarbon rubber elastomer.
20. The elastomeric seal of claim 19, wherein the seal comprises a packer element, a molded seal, an o-ring, or a gasket.
GB2400967.2A 2021-09-14 2021-09-14 Polymer blends for use in wellbore applications Pending GB2624325A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17/474,592 US11999897B2 (en) 2021-09-14 2021-09-14 Polymer blends for use in wellbore applications
PCT/US2021/050248 WO2023043429A1 (en) 2021-09-14 2021-09-14 Polymer blends for use in wellbore applications

Publications (2)

Publication Number Publication Date
GB202400967D0 GB202400967D0 (en) 2024-03-13
GB2624325A true GB2624325A (en) 2024-05-15

Family

ID=83996708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2400967.2A Pending GB2624325A (en) 2021-09-14 2021-09-14 Polymer blends for use in wellbore applications

Country Status (8)

Country Link
US (2) US11999897B2 (en)
AU (1) AU2021464660A1 (en)
DK (1) DK202430041A1 (en)
FR (1) FR3126986A1 (en)
GB (1) GB2624325A (en)
NL (1) NL2032882B1 (en)
NO (1) NO20240070A1 (en)
WO (1) WO2023043429A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02276849A (en) * 1989-01-27 1990-11-13 Ntn-Rulon Corp Lubricating rubber composition
US6624251B1 (en) * 1999-12-01 2003-09-23 Freudenberg-Nok General Partnership Highly chemically resistant thermoplastic vulcanizates based on fluorocarbon polymers and seal-gasket products made with same
EP1400563A1 (en) * 2002-09-10 2004-03-24 Freudenberg-NOK General Partnership Fluoroelastomer composition
US6822050B2 (en) * 2001-05-22 2004-11-23 Ausimont S.P.A. Fluoroelastomeric compositions
EP3798260A1 (en) * 2019-09-27 2021-03-31 Tyco Electronics UK Ltd Cross-linkable fluoropolymer compositions

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6538069B2 (en) 2000-06-05 2003-03-25 Immix Technologies, Inc. Polymer blends of PVDF thermoplastics blended with FKM fluoroelastomers
US6737479B2 (en) 2000-11-17 2004-05-18 Immix Technologies, Llc Dynamically cured fluoroelastomer blends
US7135527B2 (en) * 2004-03-30 2006-11-14 Freudenberg-Nok General Partnership Elastomeric compositions containing fluoropolymer blends
US20070179248A1 (en) 2006-02-02 2007-08-02 Balzer James R High elongation FKM formulations with improved molding properties
JP5592401B2 (en) 2009-12-25 2014-09-17 日信工業株式会社 Seal member
US8403332B2 (en) * 2009-12-28 2013-03-26 Nissan Kogyo Co., Ltd Seal member
US20110156357A1 (en) * 2009-12-28 2011-06-30 Nissin Kogyo Co., Ltd. Dynamic seal member
US11566090B2 (en) 2020-02-19 2023-01-31 Cnpc Usa Corporation Co-cured fluoroelastomers with improved chemical resistance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02276849A (en) * 1989-01-27 1990-11-13 Ntn-Rulon Corp Lubricating rubber composition
US6624251B1 (en) * 1999-12-01 2003-09-23 Freudenberg-Nok General Partnership Highly chemically resistant thermoplastic vulcanizates based on fluorocarbon polymers and seal-gasket products made with same
US6822050B2 (en) * 2001-05-22 2004-11-23 Ausimont S.P.A. Fluoroelastomeric compositions
EP1400563A1 (en) * 2002-09-10 2004-03-24 Freudenberg-NOK General Partnership Fluoroelastomer composition
EP3798260A1 (en) * 2019-09-27 2021-03-31 Tyco Electronics UK Ltd Cross-linkable fluoropolymer compositions

Also Published As

Publication number Publication date
FR3126986A1 (en) 2023-03-17
NL2032882B1 (en) 2023-06-14
US20240287377A1 (en) 2024-08-29
US20230082733A1 (en) 2023-03-16
NL2032882A (en) 2023-03-23
US11999897B2 (en) 2024-06-04
AU2021464660A1 (en) 2024-02-01
GB202400967D0 (en) 2024-03-13
WO2023043429A1 (en) 2023-03-23
DK202430041A1 (en) 2024-02-12
NO20240070A1 (en) 2024-01-25

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